16THE DOMINO EFFECT:
HOW SERIOUS IS THE SHUTTLE DELAY AND WHAT HARM CAN IT CAUSE?
By James Oberg

18CENTENNIAL CHALLENGES:
IT'S NOT ABOUT THE MONEY (...BUT IT HELPS)NASA is offering a total of $350,000 to innovators capable of powering a contraption with beamed energy, building a tether that outlasts its competitors, or pulling oxygen from fake Moon dirt.
By Tariq Malik